Substrate transfer structure



FIG. 1 is a top view of a substrate transfer structure showing our new design;

FIG. 2 is a top angled view of the substrate transfer structure;

FIG. 3 is a perspective view of the substrate transfer structure;

FIG. 4 is a left side view of the substrate transfer structure, with the right side and back side views being identical images thereof; and,

FIG. 5 is a front side view of the substrate transfer structure.

The broken lines are for the purpose of showing environmental structure, and form no part of the claimed design. 

CLAIM We claim the ornamental design for a substrate transfer structure, substantially as shown and described. 